A. Tungsten carbide
B. High carbon steel
C. High speed steel
D. Drilling
A. Upward thrust due to air
B. Viscous force exerted by air
C. Surface tension effects of water
D. Force of gravity
A. 1.5
B. 3
C. 5
D. 7
A. pH value
B. Electrode potential
C. Colour intensity
D. None of these
A. Convection heat transfer by stirring the fluid and cleaning the heating surface
B. Conduction heat transfer by reduction in the material thickness and increase in the thermal
conductivity
C. Radiation heat transfer by increasing the temperature and reducing the emissivity
D. None of these
A. Machinability
B. Density
C. Strength
D. Plastic deformation
A. y2 = 2k1t + k2
B. y = k1 ln (k2t + k3)
C. y = k1 t + k2
D. y = k1t3 + k2
A. α-rays
B. β-rays
C. Gamma rays & neutrons
D. Electrons
A. Suspended salt
B. Dissolved salt
C. Silica
D. Turbidity